body, html {
    margin: 0;
    padding: 0;
}

header section div {
    height: 100px;
    background-color: lightblue;
    font-size: 30px;
    text-align: center;
    font-weight: bold;
    
}
header input {
    border-radius: 3px;
    width: 400px;
    height: 36px;
    font-size: 16px;
    border: 1px solid lightgray;
    margin: 30px 0 30px 120px;

}
header label {
    vertical-align: middle;
}

#main div {
    margin-left: 300px;
    margin-bottom: 60px;
}

#main #split {
    width: 1000px;
    border: 1px solid white;
    border-top-color: lightslategray;
}

ul li, ol li {
    position: relative;
    border: 1px solid lightsteelblue;
    border-radius: 3px;
    height: 50px;
    /* line-height: 50px; */
    width: 920px;
    font-family: '仿宋';
    font-size: 20px;
    background-color: lightyellow;
    margin-bottom: 10px;
}

.checkBox {
    width: 25px;
    height: 25px;
    margin: 12.5px;
}

.pList {
    display: inline-block;
    margin: 0;
    position: absolute;
    top: 50%;
    transform: translate(0, -50%);
}

.btnList {
    position: absolute;
    right: 2%;
    top: 50%;
    transform: translate(0, -50%);
    text-decoration: none;
    border: 1px solid lightgray;
    width: 50px;
    height: 30px;
    font-size: 13px;
    border-radius: 15px;
}